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Home >> Ford >> 2008 >> Explorer 4WD V8-4.6L >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Pinpoint Tests >> Test T: The Auxiliary Temperature Control Is Inoperative Using The Front Auxiliary Climate Controls
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Test T: The Auxiliary Temperature Control Is Inoperative Using The Front Auxiliary Climate Controls

PINPOINT TEST T: THE AUXILIARY TEMPERATURE CONTROL IS INOPERATIVE USING THE FRONT AUXILIARY CLIMATE CONTROLS

Normal Operation
Under normal operation, the auxiliary temperature blend door actuator motor is supplied voltage by circuit SBP28 (GN/RD) and ground by circuit GD140 (BK/GN). A signal voltage is received by the auxiliary temperature blend door actuator motor from the front auxiliary temperature control through circuit VHA09 (VT/BN).

This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- Front auxiliary climate control assembly
- Auxiliary temperature blend door actuator motor
- Broken/binding auxiliary temperature blend door


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